Philip D. Davies, Corporate Vice President of Global Sales and Marketing and a director at Vicor Corp (NASDAQ: VICR), filed a Form 4 on August 5, 2026, reporting the exercise of stock options and the sale of common stock on August 3, 2026, pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Option exercise: Davies acquired 3,072 shares of common stock via the exercise of a Non Qualified Stock Option at an exercise price of $41.61 per share on August 3, 2026.
  • Shares sold: Davies disposed of a total of 3,072 shares of common stock across nine separate sale transactions on August 3, 2026, at weighted average prices ranging from $200.055 to $216.04.
  • 10b5-1 plan: According to the filing, all sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Davies on November 21, 2025.
  • Remaining ownership: Following the reported transactions, Davies directly beneficially owned 1,920 shares of common stock and 11,607 Non Qualified Stock Options.
  • Option grant details: The filing states the exercised options were granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on May 2, 2023, vest over a five-year period, and expire two years from each vest date.

Davies Exercises Options and Sells Shares in Single-Day Transactions at Vicor Corp

According to the Form 4 filed with the SEC on August 5, 2026, Philip D. Davies, who serves as both a director and Corporate Vice President of Global Sales and Marketing at Vicor Corp, carried out a series of transactions in the company's common stock on August 3, 2026. Davies first exercised a Non Qualified Stock Option covering 3,072 shares at a conversion price of $41.61, bringing his directly held common stock position to 4,992 shares following that acquisition.

Davies then sold a total of 3,072 shares across nine transactions, each executed at a different weighted average price. The sales ranged from 100 shares at a weighted average price of $201.62 to a single block of 1,372 shares at a weighted average price of $214.0194. The filing notes that each reported price is a weighted average, with individual transaction prices disclosed in the footnotes. For example, the 500-share sale reported at $212.536 involved transactions at prices ranging from $212.1800 to $212.9900, according to the filing.

The filing discloses that all nine sale transactions were made pursuant to a Rule 10b5-1 trading plan that Davies adopted on November 21, 2025. After all reported transactions, Davies directly held 1,920 shares of Vicor common stock and retained 11,607 Non Qualified Stock Options, as reported in Table II of the filing.

What Was Disclosed

The filing reports a same-day option exercise and subsequent sale of 3,072 shares of Vicor Corp common stock by officer and director Philip D. Davies on August 3, 2026, under a pre-adopted Rule 10b5-1 trading plan, leaving him with 1,920 shares and 11,607 options.